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#!/usr/bin/python
#
# Copyright (C) 2013 Simo Sorce <simo@redhat.com>
#
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import imp
import cherrypy
class Plugins(object):
def __init__(self, path=None):
if path is None:
self._path = os.getcwd()
else:
self._path = path
self._providers_tree = None
def _load_class(self, tree, class_type, file_name):
cherrypy.log.error('Check module %s for class %s' % (file_name,
class_type))
name, ext = os.path.splitext(os.path.split(file_name)[-1])
try:
if ext.lower() == '.py':
mod = imp.load_source(name, file_name)
#elif ex.lower() == '.pyc':
# mod = imp.load_compiled(name, file_name)
else:
return
except Exception, e:
cherrypy.log.error('Failed to load "%s" module: [%s]' % (name, e))
return
if hasattr(mod, class_type):
instance = getattr(mod, class_type)()
public_name = getattr(instance, 'name', name)
tree[public_name] = instance
cherrypy.log.error('Added module %s as %s' % (name, public_name))
def _load_classes(self, tree, path, class_type):
files = None
try:
files = os.listdir(path)
except Exception, e:
cherrypy.log.error('No modules in %s: [%s]' % (path, e))
return
for name in files:
filename = os.path.join(path, name)
self._load_class(tree, class_type, filename)
def get_plugins(self, path, class_type):
plugins = dict()
self._load_classes(plugins, path, class_type)
return plugins
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